The incidence structures known as (Ξ±, Ξ²)-geometries are a generalization of partial geometries and semipartial geometries. For an (Ξ±, Ξ²)-geometry fully embedded in PG(n, q), the restriction to a plane turns out to be important. Planes containing an antiflag of the (Ξ±, Ξ²)-geometry can be divided into
Projectively Normal but Superabundant Embeddings of Rational Surfaces in Projective Space
β Scribed by A.V. Geramita; A. Gimigliano; B. Harbourne
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 588 KB
- Volume
- 169
- Category
- Article
- ISSN
- 0021-8693
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The flag geometry 1=(P, L, I) of a finite projective plane 6 of order s is the generalized hexagon of order (s, 1) obtained from 6 by putting P equal to the set of all flags of 6, by putting L equal to the set of all points and lines of 6, and where I is the natural incidence relation (inverse conta
The flag geometry 1=(P, L, I) of a finite projective plane 6 of order s is the generalized hexagon of order (s, 1) obtained from 6 by putting P equal to the set of all flags of 6, by putting L equal to the set of all points and lines of 6, and where I is the natural incidence relation (inverse conta